tender for national clean air programme ( ncap ) - 1 excavation for structures earthwork in excavation for structures as per drawing and technical specifications clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. ( sor no. 11-1-1 ) 2 granular sub-base / base / surface course with local materials ( table 400.13 ) by mix in place method normal construction of granular sub-base by providing local material spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at once and compacting with smooth wheel roller to achieve the desired density complete as per clause 401.4 as per technical specification clause 408. ( sor 4-11-2 ) 3 wet mix macadam providing, laying, spreading and compacting graded stoneaggregate to wet mix macadam specification including premixing the material with water at omc in mechanical mixer ( pug mill ) , carriage of mixed material by tipper to site, laying in uniform layers in sub-base / base course on a well prepared sub-base and compacting with smooth wheel roller of 80 to 100kn weight to achieve the desired density including lighting, barricading and maintenance of diversion, etc as per tables 400.11 & 400.12 and technical specification clause 406. ( by mechanical means with 1 km lead sor no.4-9 4 providing concrete for plain / reinforced concrete in open foundations complete as per drawings and technical specifications clause 802, 803, 1202 & 1203 p.c.c grade m 10, nominal mix 1:3:6. ( sor no. 11-4-1-1 ) 5 brick masonry work in cement mortar in foundation complete excluding pointing andnplastering as per drawing and technical specifications clauses 600, 1202 & 1203 , brick masonry in 1:4 cement mortar. ( sor no. 11-5-2 ) . 6 providing concrete for plain / reinforced concrete in open foundations complete as per drawings and technical specifications clause 802, 803, 1202 & 1203, p.c.c. grade m 20 nominal mix ( 1:2:4 ) . ( sor no. 11-4-3-1 ) 7 interlocking concrete block pavement 6-7-1 providing and laying of interlocking concrete block pavements having thickness 80 mm as per drawings and technical specification clause 1504. ( sor no. 6-7-1 )